The first day at University is a completely new experience, but you've already made friends when you're added to a group on your group's social network. Your first lecture ever is philosophy. Your freshman group walks into a large auditorium to see a man in a white coat, the upper part of his face covered by a mask, at the board below

"Come in, there are ten minutes left before the lecture starts"

The man with turquoise hair said calmly